Ariens Sno-Thro 921053 Operator's Manual page 22

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3
1. Idler
2. Belt
3. Pulley
Figure 29
Check Attachment Brake
With the attachment clutch disengaged,
brake pad must contact attachment belt or
pulley, whichever is closest. With attachment
clutch engaged, brake pad must be a
minimum of 1.6 mm (1/16") from belt or
pulley. See Figure 30.
Measure here.
2
1. Brake Pad
2. Attachment Pulley
Figure 30
2
1
1
EN - 20
• If there is less than 1.6 mm (1/16") gap,
loosen idler adjustment nut and move idler
away from belt or pulley. Position idler to
achieve a 1.6 mm (1/16") minimum brake
pad gap and a 12.7 mm – 22.2 mm (1/2" –
7/8") gap between the plastic roller and the
frame. See Figure 29.
IMPORTANT: If adjustments cannot be
brought into specified ranges, see your
dealer for repair.
Check Belt Finger Clearance
See Figure 31.
With attachment clutch engaged, the belt
finger located opposite the belt idler must be
less than 3.2 mm (1/8") from belts, but must
not touch the belts.
To adjust belt finger:
1. Remove belt cover.
2. Loosen bolts and move belt finger to
correct position.
3. Tighten bolts and recheck belt finger
clearance.
4. Replace belt cover and tighten hardware.
Figure 31
Measure
here.

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